{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:7FVZF63S5A7XX5UA7TLTVMOBZQ","short_pith_number":"pith:7FVZF63S","canonical_record":{"source":{"id":"0904.2995","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-20T10:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"8ad03889b52747c26420a952b762fddcb12f358a6843c083fca77b7b52880694","abstract_canon_sha256":"eb079cb102368a028debb1b212a6530c68b2211a072f636b895e0eaeca2884d6"},"schema_version":"1.0"},"canonical_sha256":"f96b92fb72e83f7bf680fcd73ab1c1cc19a90671025f358a70b483bae504c25d","source":{"kind":"arxiv","id":"0904.2995","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2995","created_at":"2026-05-18T02:34:59Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2995v1","created_at":"2026-05-18T02:34:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2995","created_at":"2026-05-18T02:34:59Z"},{"alias_kind":"pith_short_12","alias_value":"7FVZF63S5A7X","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7FVZF63S5A7XX5UA","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7FVZF63S","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:7FVZF63S5A7XX5UA7TLTVMOBZQ","target":"record","payload":{"canonical_record":{"source":{"id":"0904.2995","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-20T10:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"8ad03889b52747c26420a952b762fddcb12f358a6843c083fca77b7b52880694","abstract_canon_sha256":"eb079cb102368a028debb1b212a6530c68b2211a072f636b895e0eaeca2884d6"},"schema_version":"1.0"},"canonical_sha256":"f96b92fb72e83f7bf680fcd73ab1c1cc19a90671025f358a70b483bae504c25d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:59.652095Z","signature_b64":"BTKh5Wd08F4Wa4EWzDOVSbureeVdB+xZOSwPpGld4GRwS2Co8EBkIYTGTfHkn5p9+gIMS5i2Iizs1p1lOAWoCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f96b92fb72e83f7bf680fcd73ab1c1cc19a90671025f358a70b483bae504c25d","last_reissued_at":"2026-05-18T02:34:59.651694Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:59.651694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.2995","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:34:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9FGG62WNOyYsyq8Ozzhsv2btOmgGoINwE7OJeTJM7XHThs8pSWdXWlOwaCQnhD3aU0Wsj519iPGS19gqsIC3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:07:40.096228Z"},"content_sha256":"a1ffdbf3d0f997dbe5f63389e4b92a16b0e99e98720900190eb21d2108f67312","schema_version":"1.0","event_id":"sha256:a1ffdbf3d0f997dbe5f63389e4b92a16b0e99e98720900190eb21d2108f67312"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:7FVZF63S5A7XX5UA7TLTVMOBZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological models discrimination with Weak Lensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Amara, A. Refregier, J.-L. Starck, R. Teyssier, S. Pires","submitted_at":"2009-04-20T10:12:06Z","abstract_excerpt":"Weak gravitational lensing provides a unique method to map directly the dark matter in the Universe. The majority of lensing analyses uses the two-point statistics of the cosmic shear field to constrain the cosmological model yielding degeneracies, such as that between sigma_8 and Omega_M respectively the r.m.s. of the mass fluctuations at a scale of 8 Mpc/h and the matter density parameter both at z = 0. However, the two-point statistics only measure the Gaussian properties of the field and the weak lensing field is non-Gaussian. It has been shown that the estimation of non-Gaussian statistic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2995","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:34:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u1+SzH+vghrCixsyc847n9qde1+zM7GskB/jE8D05eWOAhPDwSwp67YNbecUszQmEd0qW2NCd24bYZ/3jVWWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:07:40.096930Z"},"content_sha256":"e45d4fbecd40deba665e32e22ac6784aba05231aa3681eee9c79bb8bf4bcc007","schema_version":"1.0","event_id":"sha256:e45d4fbecd40deba665e32e22ac6784aba05231aa3681eee9c79bb8bf4bcc007"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7FVZF63S5A7XX5UA7TLTVMOBZQ/bundle.json","state_url":"https://pith.science/pith/7FVZF63S5A7XX5UA7TLTVMOBZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7FVZF63S5A7XX5UA7TLTVMOBZQ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T03:07:40Z","links":{"resolver":"https://pith.science/pith/7FVZF63S5A7XX5UA7TLTVMOBZQ","bundle":"https://pith.science/pith/7FVZF63S5A7XX5UA7TLTVMOBZQ/bundle.json","state":"https://pith.science/pith/7FVZF63S5A7XX5UA7TLTVMOBZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7FVZF63S5A7XX5UA7TLTVMOBZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:7FVZF63S5A7XX5UA7TLTVMOBZQ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"eb079cb102368a028debb1b212a6530c68b2211a072f636b895e0eaeca2884d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-20T10:12:06Z","title_canon_sha256":"8ad03889b52747c26420a952b762fddcb12f358a6843c083fca77b7b52880694"},"schema_version":"1.0","source":{"id":"0904.2995","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2995","created_at":"2026-05-18T02:34:59Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2995v1","created_at":"2026-05-18T02:34:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2995","created_at":"2026-05-18T02:34:59Z"},{"alias_kind":"pith_short_12","alias_value":"7FVZF63S5A7X","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7FVZF63S5A7XX5UA","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7FVZF63S","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:e45d4fbecd40deba665e32e22ac6784aba05231aa3681eee9c79bb8bf4bcc007","target":"graph","created_at":"2026-05-18T02:34:59Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Weak gravitational lensing provides a unique method to map directly the dark matter in the Universe. The majority of lensing analyses uses the two-point statistics of the cosmic shear field to constrain the cosmological model yielding degeneracies, such as that between sigma_8 and Omega_M respectively the r.m.s. of the mass fluctuations at a scale of 8 Mpc/h and the matter density parameter both at z = 0. However, the two-point statistics only measure the Gaussian properties of the field and the weak lensing field is non-Gaussian. It has been shown that the estimation of non-Gaussian statistic","authors_text":"A. Amara, A. Refregier, J.-L. Starck, R. Teyssier, S. Pires","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-20T10:12:06Z","title":"Cosmological models discrimination with Weak Lensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2995","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a1ffdbf3d0f997dbe5f63389e4b92a16b0e99e98720900190eb21d2108f67312","target":"record","created_at":"2026-05-18T02:34:59Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"eb079cb102368a028debb1b212a6530c68b2211a072f636b895e0eaeca2884d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-20T10:12:06Z","title_canon_sha256":"8ad03889b52747c26420a952b762fddcb12f358a6843c083fca77b7b52880694"},"schema_version":"1.0","source":{"id":"0904.2995","kind":"arxiv","version":1}},"canonical_sha256":"f96b92fb72e83f7bf680fcd73ab1c1cc19a90671025f358a70b483bae504c25d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f96b92fb72e83f7bf680fcd73ab1c1cc19a90671025f358a70b483bae504c25d","first_computed_at":"2026-05-18T02:34:59.651694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:59.651694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BTKh5Wd08F4Wa4EWzDOVSbureeVdB+xZOSwPpGld4GRwS2Co8EBkIYTGTfHkn5p9+gIMS5i2Iizs1p1lOAWoCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:59.652095Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.2995","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1ffdbf3d0f997dbe5f63389e4b92a16b0e99e98720900190eb21d2108f67312","sha256:e45d4fbecd40deba665e32e22ac6784aba05231aa3681eee9c79bb8bf4bcc007"],"state_sha256":"b81028385a451a61cdd9296cc9af2ab5b89ffb0b8c48d15c3f07cfcda8f30e43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mo8E4YpLgpNYdc4FAChbNI2ZyEBIZMR5O3Zfuk+myYw1Lklj5u55aAtD4AJy1LoeD8/kIL3KPhNhA0sLVOG5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:07:40.099795Z","bundle_sha256":"04944b18759b55acee046d0202f7b0c2ace4f456de17a940fa8105d070e607f6"}}